Alert archive / Illinois / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 58, NWS Lincoln, IL

July 2, 1994Piatt County, Illinois

NWS Lincoln, IL issued this severe thunderstorm warning at Jul 2, 1994, 2:01 PM CDT for Piatt County, Illinois. It was in force for 29 min.

The area

The counties it named.

The facts

Issued: Jul 2, 1994, 2:01 PM CDT (19:01 UTC)
Expired: Jul 2, 1994, 2:30 PM CDT
In force: 29 min
Issued by: NWS Lincoln, IL
Area: Whole counties

County Piatt County, IL

The nearest sounding before it

Paducah/Barkley, KY (KPAH), launched 12:00Z, 7.0 hours before the alert went out and 327 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 1617 J/kg
Mixed-layer CIN: -32 J/kg
Mixed-layer LCL: 835 m above ground
0-6 km bulk shear: 17 kt
0-1 km storm-relative helicity: 23 m²/s²
0-3 km storm-relative helicity: 49 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, Jul 2, 12:33 PM CDT, 1 hour 28 minutes before

ILZ017-018-025>031-034>038-040-041-021835-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEORIA IL
1234 PM CDT SAT JUL 2 1994

...SHOWERS AND THUNDERSTORMS OVER CENTRAL ILLINOIS...

AT 1220 PM...AN AREA OF SHOWERS AND THUNDERSTORMS WERE OCCURRING TO
THE WEST OF A LINE THAT EXTENDED FROM SHEFFIELD...40 MILES EAST OF
MOLINE...TO 10 MILES EAST OF PEORIA TO 10 MILES EAST OF SPRINGFIELD.
MOVEMENT WAS TO THE EAST NORTHEAST AT 30 MPH.

SOME OF THE~SE THUNDERSTORMS WILL PRODUCE VERY HEAVY RAINFALL... DEADLY
LIGHTNING AND POSSIBLY SOME SMALL HAIL. PERSONS IN THEIR PATH SHOULD
SEEK SHELTER AND ALLOW THE STORMS TO PASS.

BREESER

Special weather statement, Jul 2, 12:34 PM CDT, 1 hour 27 minutes before

ILZ017-018-025>031-034>038-040-041-021835-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE PEORIA IL
1234 PM CDT SAT JUL 2 1994

...SHOWERS AND THUNDERSTORMS OVER CENTRAL ILLINOIS...

AT 1220 PM...AN AREA OF SHOWERS AND THUNDERSTORMS WERE OCCURRING TO
THE WEST OF A LINE THAT EXTENDED FROM SHEFFIELD...40 MILES EAST OF
MOLINE...TO 10 MILES EAST OF PEORIA TO 10 MILES EAST OF SPRINGFIELD.
MOVEMENT WAS TO THE EAST NORTHEAST AT 30 MPH.

SOME OF THESE THUNDERSTORMS WILL PRODUCE VERY HEAVY RAINFALL... DEADLY
LIGHTNING AND POSSIBLY SOME SMALL HAIL. PERSONS IN THEIR PATH SHOULD
SEEK SHELTER AND ALLOW THE STORMS TO PASS.

BREESER

Special weather statement, Jul 2, 12:47 PM CDT, 1 hour 14 minutes before

ILZ042-043-048-051>057-059>063-021830-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD IL
1247 PM CDT SAT JUL 2 1994

...SEVERE THUNDERSTORM WATCH FOR MUCH OF CENTRAL AND EAST CENTRAL
ILLINOIS UNTIL 6 PM CDT...

AT 1245 PM CDT...RADAR INDICATED STRONG TO SEVERE THUNDERSTORMS
JUST NORTH OF SPRINGFIELD...ENTERING THE SOUTHWESTERN CORNER OF LOGAN
COUNTY.  THESE STORMS HAVE DOWNED TREES AND PRODUCED PEA TO MARBLE-
SIZE HAIL ACROSS MENARD AND FAR NORTHERN SANGAMON COUNTIES.

THESE STORMS ARE MOVING TO THE EAST AT 30 MPH.  PEOPLE IN AND NEAR
THE TOWNS OF ELKHART...BROADWELL... LINCOLN...AND MOUNT PULASKI SHOULD
MOVE TO A REINFORCED SHELTER.  WINDS OF 50 TO 60 MPH ARE POSSIBLE
WITH THESE STORMS.

RADAR ALSO SHOWED ISOLATED STRONG THUNDERSTORMS IN EAST CENTRAL
ILLINOIS...ABOUT 25 MILES SOUTHEAST OF DECATUR NEAR SULLIVAN...
AND MIDWAY BETWEEN CHAMPAIGN AND TERRE HAUTE.  THESE STORMS ARE MOVING
TO THE NORTHEAST AT 10 MPH...AND WILL PRODUCE HEAVY RAIN...
LIGHTNING...AND POSSIBLY SOME SMALL HAIL.

A SEVERE THUNDERSTORM WATCH CONTINUES IN EFFECT UNTIL 6 PM CDT
FOR MUCH OF CENTRAL AND EAST CENTRAL ILLINOIS...MAINLY TO THE EAST OF
INTERSTATE 55.

CWG

Special weather statement, Jul 2, 1:51 PM CDT, 10 minutes before

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Special weather statement, Jul 2, 1:52 PM CDT, 9 minutes before

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Special weather statement, Jul 2, 1:58 PM CDT, 3 minutes before

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The office that day

Everything else NWS Lincoln, IL issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 2, 11:15 AM CDT	Severe Thunderstorm Warning	ILX	Cass	45 min
Jul 2, 11:26 AM CDT	Severe Thunderstorm Warning	ILX	Cass, Menard	49 min
Jul 2, 11:58 AM CDT	Severe Thunderstorm Warning	ILX	Logan, Menard, Sangamon	62 min
Jul 2, 1:17 PM CDT	Severe Thunderstorm Warning	ILX	Christian, Macon	43 min
Jul 2, 1:23 PM CDT	Severe Thunderstorm Warning	ILX	Edgar, Vermilion	51 min
Jul 2, 1:30 PM CDT	Severe Thunderstorm Warning	ILX	Coles, Douglas	60 min

Nearby

Severe Thunderstorm Warnings in Illinois, 1994 Every severe thunderstorm warning in 1994

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive.